.rank_box {
  width: 100vw;
}

.rank_box .rank_hd {
  width: 100%;
  margin-top: 38px;
}

.rank_box .rank_hd .hd_sticky {
  position: sticky;
  position: -webkit-sticky;
  top: 38px;
  z-index: 30;
  background: #fff;
}

.container {
  width: 100%;
  display: flex;
  justify-content: space-between;
}

.container .con_left {
  width: 22%;
  position: fixed;
  top: 74px;
}

.container .con_left .left_sidebar {
  width: 100%;
}

.container .con_left .left_sidebar .s_item {
  width: 100%;
  height: 50px;
  line-height: 50px;
  text-align: center;
  font-size: 14px;
  position: relative;
}

.container .con_left .left_sidebar .active_boxleft::after {
  content: " ";
  display: inline-block;
  width: 3px;
  height: 16px;
  border-radius: 20px;
  background: #f00;
  position: absolute;
  top: 17px;
  right: 6px;
  animation: co_animation 1.5s linear;
}

.container .con_left .left_sidebar .active_co {
  background: #f8f8f8;
  color: #f00;
  animation: co_animation 1s linear;
}

.container .con_right {
  width: 76%;
  margin-left: 24%;
  overflow: hidden;
}

@keyframes co_animation {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(0.9);
  }
  100% {
    transform: scale(1);
  }
}
